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Hackable Microcontroller-Powered Valentine's Card

kdawson posted more than 5 years ago | from the gotta-have-heart dept.

Hardware Hacking 133

compumike writes "If you have a significant other to impress this Valentine's Day, consider putting your programming skills to use. This video tutorial shows how to build an LED Heart Valentine's card, powered by a microcontroller running C code, with a neat randomized 'twinkling' effect in an interrupt handler. Think about it: how many ladies can say that their Valentine's card runs at 14 MHz?"

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The perfect gift (-1, Flamebait)

Anonymous Coward | more than 5 years ago | (#26793547)

That's the perfect gift for your woman who will give it a quizzical look and say

"You're a real smart guy, but I'm going to go to sleep early tonight because I don't feel well"

before she's spotted at the local coal-burner's club with her saggy, floppy braless banana tits drifting walleye-style under her translucent tank top as she grinds up against some illiterate but well-hung nigger.

It won't matter to her how smart you are or how much money you will make in the future, because while she repreatedly pushes the importance of her standards onto you, her niggers don't have to play by the same rules as you do. They don't have to because they have huge weenies. RaShawn's jungle funk penetrates and overloads her olfactory senses, digging deep into the reptillian portion of her brain, telling it

Why deal with them pitiful whiney losers? If you procreate with me, and there will be high fecundity because I have bigg nutz, our babies be supermen. They be fast enough to outrun the hyenas and they be strong enough to waste an elephant with a single spear!

Surely she wears panties with you, but not with him. All of that senseless babble coming from her mouth as you talk to her means nothing when a stinky, shiny Escalade of man -- the Negro man -- and all of his seven feet of hight and eight inches of girth instinctually cause her vertical smile to gush and dialate in anticipation of its gluttonous cock-feast.

And for all of you non-negroes: We own your women, your college admissions, and now your presidency. Your only hope is to strike back at the black women, promising them children which don't look like monkeys.

More Likely Responses (5, Funny)

Arthur Grumbine (1086397) | more than 5 years ago | (#26793549)

Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.
Her: Really?! 14? How many songs does that mean it can hold?

or
Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.
Her: ...uh, yeah... I'll be doing that right away...

or
Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.
Her: ...
(She remains as silent as all other RealDolls)

Re:More Likely Responses (4, Funny)

Sepiraph (1162995) | more than 5 years ago | (#26793815)

Think about it: how many ladies can say that their Valentine's card runs at 14 MHz?"

Clearly this is a trick question. No such girlfriend ever existed in the first place.

Re:More Likely Responses (5, Funny)

moosesocks (264553) | more than 5 years ago | (#26794155)

OK, but bear with me..... assume a spherical girlfriend of uniform density.....

Re:More Likely Responses (3, Funny)

pacificleo (850029) | more than 5 years ago | (#26794193)

Why would someone want a girlfriend with uniform density . you need to have standard deviation and make a bell curve at appropriate places .

Re:More Likely Responses (5, Funny)

Anonymous Coward | more than 5 years ago | (#26794463)

That's easy, just imagine the average American woman.

Re:More Likely Responses (1)

machine321 (458769) | more than 5 years ago | (#26796223)

He said "uniform density", American women tend to be top-heavy.

Re:More Likely Responses (1)

ctrl-alt-canc (977108) | more than 5 years ago | (#26795583)

...and if she is a Banach spherical gilfriend [wikipedia.org] , you can get two of them at the price of one!

Re:More Likely Responses (0)

Anonymous Coward | more than 5 years ago | (#26795955)

OMG you're sleeping with a horse?

also

OMG pwnies

Re:More Likely Responses (0)

Anonymous Coward | more than 5 years ago | (#26796101)

don't forget its a frictionless environment at STP

Re:More Likely Responses (1)

dsgfh (517540) | more than 5 years ago | (#26794939)

Think about it: how many ladies can say that their Valentine's card runs at 14 MHz?"

Clearly this is a trick question. No such girlfriend ever existed in the first place.

& this is clearly a trick answer since no-one mentioned girlfriends. Clearly when the OT referred to 'ladies' it was actually a euphemism for 'moms', the only women in the lives of those building these cards.

Re:More Likely Responses (1)

arogier (1250960) | more than 5 years ago | (#26793825)

What about starting a charity where unloved Itanium machines can get repurposed as E-valentines running repurposed ELIZA hacks offering the appearance of command line affection.

Re:More Likely Responses (5, Informative)

narcberry (1328009) | more than 5 years ago | (#26793959)

Considering my wife came across an electronics project I made, didn't care what it was or how much work it cost and threw it away.. I'm probably not going to spend hours and hours making a valentines day card twinkle...

Re:More Likely Responses (1, Redundant)

narcberry (1328009) | more than 5 years ago | (#26794345)

That wasn't funny, mod that sad you sick sick moderators.

Re:More Likely Responses (1)

Hal_Porter (817932) | more than 5 years ago | (#26795921)

It would have been funnier if she'd reprogrammed it to spell out DIVORCE.

Re:More Likely Responses (1)

abuelos84 (1340505) | more than 5 years ago | (#26796105)

LOL, Sounds like something right out of a XKCD comic...

Re:More Likely Responses (1)

fuzzlost (871011) | more than 5 years ago | (#26795015)

Where is the +1 Depressing option?

Re:More Likely Responses (1)

aliquis (678370) | more than 5 years ago | (#26795887)

Can't you just replace her with a Perl script or something?

Re:More Likely Responses (1)

Ethanol-fueled (1125189) | more than 5 years ago | (#26793975)

The success of your joke depends on the audience knowing what a realdoll is.

Re:More Likely Responses (4, Funny)

Arthur Grumbine (1086397) | more than 5 years ago | (#26793985)

And that's why it's currently +5 funny. I know my audience.

Re:More Likely Responses (2, Insightful)

interstellar_donkey (200782) | more than 5 years ago | (#26794009)

More like

HimYeah babe, your Valentine's Day card runs at 14 MHZ!
HerI think we should see other people.

Even more likely response... (0)

Anonymous Coward | more than 5 years ago | (#26794017)

Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.

Her: 14 inches! wow!

Him: ...uh, yeah...

Re:More Likely Responses (5, Funny)

az1324 (458137) | more than 5 years ago | (#26794249)

or
Him: ...14 MHz.
Her: At least something knows how to oscillate around here.

Most Likely Response (5, Funny)

az1324 (458137) | more than 5 years ago | (#26794283)

Her: That's NOT the kind of crystal I had in mind.

Some of you are sad. (1)

jotaeleemeese (303437) | more than 5 years ago | (#26795147)

Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.

Her: Really?! Thanks sweety! Do you think we could put an Arduino in one of this?

Re:More Likely Responses (1)

unix_geek_512 (810627) | more than 5 years ago | (#26795483)

Silly wabbit, it can't hold any songs, the atmega 168 has 16k flash!

Re:More Likely Responses (1)

unix_geek_512 (810627) | more than 5 years ago | (#26795503)

The 168-20PU 28pin DIP can run at 20MHz, although it is commonly underclocked to 16MHz.

Re:More Likely Responses (0)

Anonymous Coward | more than 5 years ago | (#26796841)

Since when does "songs" equals to "MP3s"?

You can store a few MIDI files or even tiny MODs in 16KiB.

Re:More Likely Responses (2, Informative)

Alvare (1430099) | more than 5 years ago | (#26795493)

Him: Yeah [...] 14 MHz.
Her: ... a microcontroller ... huh ... I made you this valentine robot with a couple multi-core processors, AI and Python-plug-in capable, but's okay...

Re:More Likely Responses (1)

kiehlster (844523) | more than 5 years ago | (#26796259)

More like...

Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.
Her: Awesome! One for each of the 14 babies I just birthed.

Re:More Likely Responses (2, Informative)

noidentity (188756) | more than 5 years ago | (#26797141)

Him: Yeah, babe, and now you can tell your friends that your Valentine's Day card runs at 14 MHz.
Her: Yeah, like I want them to know that you suck at coding and need 14 million cycles per second just to blink a few lights.

Terrible News! Please read! (-1, Troll)

Anonymous Coward | more than 5 years ago | (#26793587)

At 10:28pm EST Rob Malda was rushed to the emergency room and was found to have a microscopic penis. Yes, folks, Rob "CmdrTaco" Malda, hero to many millions of slashdot nerds around the world, is hung like a 3 year old Asian boy.

Re:Terrible News! Please read! (0)

Anonymous Coward | more than 5 years ago | (#26794037)

So, did the blinking valentine's day card work for him or what?

The first use for (1)

atomicthumbs (824207) | more than 5 years ago | (#26793601)

the "hearthack" tag

Yes... (1, Funny)

Anonymous Coward | more than 5 years ago | (#26793649)

but can it run Ninnle Linux?

Re:Yes... (1)

moniker127 (1290002) | more than 5 years ago | (#26793669)

Maybe a beowulf cluster of them could.
Imagine that.

Re:Yes... (0)

Anonymous Coward | more than 5 years ago | (#26793761)

Then add networking and...
"Microsoft hacked by army of discarded valentine cards"

Come now (1)

moniker127 (1290002) | more than 5 years ago | (#26793655)

I'm a huge geek. I always read up on new hardware/software. I play MMOs, I have a tech related job.

And this is too geeky even for ME.

Re:Come now (1)

ocularDeathRay (760450) | more than 5 years ago | (#26793693)

well, yeah.... and, who the hell would you give it to?

Re:Come now (5, Funny)

iocat (572367) | more than 5 years ago | (#26793915)

It's not too geeky, it's too PATHETIC. If you need a microcontroller running at 14Mhz and C code to blink some heart shaped LEDs, you should just turn in nerd card now. It's like using an anvil to hammer a picture hanging nail.

If you can't create that card with a 555 and a couple resistors, I wouldn't be surprised to see your Valentine laugh in your face and go off with a real He-Man who writes assembly.

Christ! A 14Mhz microcontroller... if you're gonna use that, the damn card better access the internet or play NES games at least.

Re:Come now (0)

Anonymous Coward | more than 5 years ago | (#26794433)

Ah, but the point is that it's programmable. You could easily extend the C code to provide a chasing lights effect, blinking patterns, etc.. I think the author of this tut meant it as a starting point. Oh, and 14Mhz is actually pretty slow for ucontrollers these days - heck 8 bit pics have been running at 20Mhz for at least 5 years.

Re:Come now (4, Insightful)

daveime (1253762) | more than 5 years ago | (#26795059)

Damn, you mentioning 555's takes me back ... in 1981 when I was just 13 years old, I got a little project published in Everyday Electronics, on just such a premise ... an oscillator made from two gates of a 4001 feeding into a 1 of 6 counter (4022 ?) and 6 LEDs cycling in sequence. I'd abandoned the 555 in favour of the NOR gates as it was bloody unstable and used to do horrible things to the power supply.

I got paid 12 pounds for getting that published, which was like a kings ransom for a 13 year old.

Microcontroller pfft ... can you say overkill ?

Re:Come now (2, Funny)

f0rk (1328921) | more than 5 years ago | (#26795853)

It's like using an anvil to hammer a picture hanging nail.

I don't get it...

Re:Come now (0)

Anonymous Coward | more than 5 years ago | (#26796123)

I was thinking the same thing, as that's TWICE the clock speed of my Amiga 500...

Which means there's enough power there to make a card for both Agnes AND Denise.

Re:Come now (0)

Anonymous Coward | more than 5 years ago | (#26796171)

A 555? Take two transistors, a couple of capacitors and resistors and you're done. Kids these days...

pfftt... (5, Insightful)

djupedal (584558) | more than 5 years ago | (#26793691)

>"...how many ladies can say that their Valentine's card runs at 14 MHz?"

How many want to?

Invalid XHTML (3, Interesting)

XanC (644172) | more than 5 years ago | (#26793735)

That's the least page I can remember bearing a "Valid XHTML" logo at the bottom. Ugh.

not impressed (0)

Anonymous Coward | more than 5 years ago | (#26793737)

while this is certainly nice, somehow this gift isn't very impressive if you just have to follow a video tutorial.

Re:not impressed (1)

Arthur Grumbine (1086397) | more than 5 years ago | (#26793849)

How is she gonna know you followed a video tutorial?! Of course, with how tech-knowledgeable most girlfriends are, how is she even gonna know you made it yourself, instead of buying it on Thinkgeek/One-of-your-other-geek-sites. What?! She's gonna take your word for it?!? She knows you, right?!

Re:not impressed (1)

interstellar_donkey (200782) | more than 5 years ago | (#26794069)

That's why, for a fully romantic touch, you put together a 400 page user manual that, among other things will teach her how to reprogram it using machine language.

Trust me. That'll get your main squeeze swooning.

Re:not impressed (2, Funny)

princessproton (1362559) | more than 5 years ago | (#26794101)

Soo...um...are you seeing anybody?

Chocolate (1, Funny)

Joebert (946227) | more than 5 years ago | (#26793763)

I'm fairly sure they're going to be pretty pissed when they open it expecting chocolates and all they find is a bunch of wiring and batteries.

I don't have a girlfriend so I can't be entirely sure, but I do know that the chick at the video store wasn't happy when I finally got her to open the box of chocolates I was holding in front of me only to find my penis poking in from a hole in the bottom.

Re:Chocolate (-1, Offtopic)

Anonymous Coward | more than 5 years ago | (#26793777)

That's because you should have stuck it through a pizza box like these guys: http://www.bigsausagepizza.com/?nats=MTMzODY6Njo2,0,0,0,0/ [bigsausagepizza.com]

Re:Chocolate (1)

ciderVisor (1318765) | more than 5 years ago | (#26795137)

I don't have a girlfriend

(Mod -1: Redundant)

Re:Chocolate (0)

Anonymous Coward | more than 5 years ago | (#26796135)

If your penis was poking in from the bottom either
a) it is a very deep box of chocolates
b) you have a very short wang.

Spam (0)

Anonymous Coward | more than 5 years ago | (#26793773)

"In addition to our ... you'll need ..."

Lame (0)

Anonymous Coward | more than 5 years ago | (#26793785)

Not anatomically correct.

Overclock it? (5, Funny)

canatech (982314) | more than 5 years ago | (#26793793)

I bet with liquid cooling you could get it to 18MHz!

Re:Overclock it? (0)

Anonymous Coward | more than 5 years ago | (#26794013)

Overclock your cock with Liquid Cool.

Re:Overclock it? (0)

Anonymous Coward | more than 5 years ago | (#26794031)

14 MHz ought to be enough for anybody!

Re:Overclock it? (1)

pacificleo (850029) | more than 5 years ago | (#26794281)

There might be a market for 5 Such cards worldwide

Re:Overclock it? SLI? (1)

hydromike2 (1457879) | more than 5 years ago | (#26794245)

I bet that if we put them in SLI (aka you duck tape 500 of them together) you can play crysis! how many women can say that their valentines day card can do that?

How many ladies can say that? (0)

Anonymous Coward | more than 5 years ago | (#26793817)

How many ladies can say that their Valentine's card runs at 14 MHz?"

Zero, the same number that will be saying it on 2-14. Because anyone who is nerdy enough to give this as a gift is a virginal /.'er without a significant other.

Make her a dinner reservation instead (5, Insightful)

piltdownman84 (853358) | more than 5 years ago | (#26793827)

Only a really 'special' girl is going to be impressed by this. The only thing a girl wants you to make for Valentines day is a dinner reservation.

Special's what you want (1)

weston (16146) | more than 5 years ago | (#26794049)

While there's nothing wrong with a dinner reservation at a nice restaurant (who doesn't like good food?), my own experience suggests that a sincere creative gesture is often pretty well-received.

Re:Make her a dinner reservation instead (1, Insightful)

Anonymous Coward | more than 5 years ago | (#26794075)

And that attitude is why you can't get laid. Or maybe you just go for really shallow women so it has skewed your perception of the entire gender.

And yes, I'm female. Really.

No, really.

Re:Make her a dinner reservation instead (1)

Afforess (1310263) | more than 5 years ago | (#26795533)

Is that why your posting as AC?

Re:Make her a dinner reservation instead (5, Informative)

pla (258480) | more than 5 years ago | (#26796005)

And yes, I'm female. Really.

No offense, but what "real" females - shallow or not - say and what they mean differ drastically. I don't think this involves lying so much as simple self-delusion (since they seem to actually believe what they say), but it all ends up the same.

Simple example - Would you rather get a blinking card that represents a week's work from your SO, or a mere half-day's pay worth of roses delivered conspicuously to your workplace?

And before you answer, I've tried both (well, not a blinking card, but same idea). The "lovingly crafted with my own hands and dozens of hours of hard work" gift gets a "gee, thanks, how... nice". The large bundle of dying plant debris result in a tigress throwing you to the floor and a few hours of scratch-mark-leaving entertainment.

Women want stuff and attention, and as much of it as possible. They don't care about the effort or intent involved, just the end product.

Re:Make her a dinner reservation instead (1, Insightful)

Anonymous Coward | more than 5 years ago | (#26795655)

Look, a dinner reservation on Valentines is an appalling night out. The restaurant is trying to squeeze in two extra covers, the kitchen is overworked, it's just a crap night to eat out. Now, if you were to learn to cook something other than ramen and invite her over for a serious dinner followed by a night out dancing/drinking whatever you know she enjoys. You'd make a better impression than some Hallmark fool with his dozen roses @ $10 each and an expensive reservation for a shit meal. just sayin'

Are these available in Boston? (1)

Punto (100573) | more than 5 years ago | (#26793839)

Should make for an interesting week!

Wait?? (1)

bakedpatato (1254274) | more than 5 years ago | (#26793869)

I thought geeks don't have anyone to give this to...mothers excluded.

Hallmark is your friend... (1)

creimer (824291) | more than 5 years ago | (#26793951)

I saw tons of "record your own love song" card at Hallmark. I kept wondering if it would be possible to hack the card after the envelope been sealed to change the recording to the Barney theme song ("I love you, you love me..."). Should get some special guys dumped in a hurry to make some special girls available. Anyway, just an idea...

Re:Hallmark is your friend... (-1, Troll)

Anonymous Coward | more than 5 years ago | (#26794035)

Better yet, make them say, "Islam is the Light" or "Satan is King."

Re:Hallmark is your friend... (1)

Yvan256 (722131) | more than 5 years ago | (#26797019)

Ignorant mod doesn't read Penny Arcade [penny-arcade.com] ? It's only eight days old, too!

Did anyone else read it as.. (1)

fractalVisionz (989785) | more than 5 years ago | (#26793987)

Hackable Mind Control-Powered Valentine's Card

That would be so much cooler, and helpful for this crowd.

Something more simple (3, Interesting)

hack slash (1064002) | more than 5 years ago | (#26794047)

If you want to make a special card which lights up, I saw this great little project close to christmas and so I made 9 cards, but instead of watch batteries that would die after a week or so I wired in resistors & USB plugs (strangely the only place I can find solderable USB plugs online/offline is from Maplins [maplin.co.uk] !), all the recipients loved them and most wondered how the blinking flip they were lit up.

Edge lit holiday cards [evilmadscientist.com] (the snowflake one looks much better with a black background & two blue LEDs, one at the top & other at the bottom)

Next christmas I'm going to have to make something even better - anyone have any simple circuit designs on using an LED as a light sensor and then making some more LEDs react by blinking?

Re:Something more simple (1)

Gordonjcp (186804) | more than 5 years ago | (#26794705)

(strangely the only place I can find solderable USB plugs online/offline is from Maplins!)

They are *weird* like that. The amount of odd stuff you find in Maplins is incredible, as is the number of things you *don't* find that are perfectly ordinary. Reverse SMA plugs? Masses. Solderable USB connectors? Yup, do you want A, B, mini-A, mini-B or micro? Oh, and what colour boot do you want? 100 ohm 1W resistors? Nope. 50-ohm BNC plugs? Uhhhm, I'll need to check through the back. RG58 coax? Only 3m left.

wtf?

Re:Something more simple (1)

evanbd (210358) | more than 5 years ago | (#26794735)

As usual, Digikey [digikey.com] has them as well -- and a vastly superior web site. You can search on USB cables and select connector to raw cable, or I'm guessing you're looking for part number Q363-ND. (If you're actually looking for PC-mount sockets or something, they have those too...)

I'll give the LED as light sensor some thought, but I imagine you'd just wire it as a photodiode (it should act like any other photodiode, though less efficiently) with an op amp, possibly log scale it to get good response across ambient light conditions, and AC couple it. If you were willing to use a phototransistor you'd get a simpler circuit, I think. Blinking stuff is then done with either a 555 (or similar) or a microcontroller.

Re:Something more simple (1)

MichaelSmith (789609) | more than 5 years ago | (#26795221)

anyone have any simple circuit designs on using an LED as a light sensor

No, I don't think that is going to work. You need a phototransistor or photodiode. Years ago I built a little circuit around a chip which detects changes in light intensity. It is intended for use in an alarm. You might still be able to find this device.

and then making some more LEDs react by blinking?

That part is pretty easy. Maybe think in terms of passing the output of a photodiode into a comparator to give a nice 1/0 output and using that signal to control the reset on a binary counter. Then feed the outputs from the counter into the LEDs.

nerdkits (2, Interesting)

LS (57954) | more than 5 years ago | (#26794105)

these guys seem to have a decent piece of the slashvertisement market recently...

A woman could make this card too, you know! (1)

theredshoes (1308621) | more than 5 years ago | (#26794129)

I thought it was sweet. I would rather have creative and heart felt than generic, well sans the cheesy Al Green song.

Re:A woman could make this card too, you know! (1)

theredshoes (1308621) | more than 5 years ago | (#26794145)

Oh sorry, Marvin Gaye, same difference.

Submitter forgot to mention it costs $79.99 + S/H (1)

uofitorn (804157) | more than 5 years ago | (#26794305)

This is the second time I've seen an advertisement for nerdkits on the /. front page. The fact is, you can't build any of their submissions unless you shell out $80 or so (I'd double check, but don't want to send them the traffic again) for their 'starter' kit with the necessary components. The videos simply show you how to make certain things above and beyond the projects initially included with their kit.

Re:Submitter forgot to mention it costs $79.99 + S (1)

Alchemist253 (992849) | more than 5 years ago | (#26794513)

I own a NerdKit and have been having a lot of fun playing with it. While the components certainly cost a lot less than $80, the documentation and real human-based tech support (right down to helping you debug your own code at no charge) is well worth it.

It should also be noted that if you choose to make more of the kits by buying components, the NerdKits people supply their bootloader and assistance for installing it on a fresh microcontroller. I think it's a pretty sweet deal, even if perhaps a Slashvertisement is a bit uncouth.

Re:Submitter forgot to mention it costs $79.99 + S (2, Insightful)

gunnk (463227) | more than 5 years ago | (#26796393)

All things considered... $80 is not a bad price.

The kits are for people that are interested in getting started with microcontroller-based projects. Do you remember just how hard it can be to figure out where to start?

Well-documented projects, all the components you need, support -- for $80 that sounds like a steal!

Yes, you can get the parts much cheaper, but this isn't about buying the parts.

If you really do want something a little cheaper you can get started with an Arduino board and browse the various guides (disclaimer: I wrote one there) on getting started. However, you are still going to spend $50 including a decent breadboard, components, etc.

For an all-inclusive getting started kit, $80 seems very reasonable to me.

can't be serious (-1, Troll)

Anonymous Coward | more than 5 years ago | (#26794481)

ow come on, this sucks and we all know it.

God! take that skirt off that halogen lamp! (1)

cabazorro (601004) | more than 5 years ago | (#26794573)

Make your date memorable as in live to tell another day, by not putting garments over halogen lamps. I know is just a prop but props can be set ablaze. Just ask Michael Jackson. Cool Valentine's card thought.

Ah, geez... (1)

kheldan (1460303) | more than 5 years ago | (#26794631)

Instead of wasting your time hacking microcontrollers, why not try something REALLY radical, like, say, a nice dinner out, see a show or go to a comedy club, and maybe a nice little present that she actually wants? Anyone? Bueller?
Seriously, guys. Maybe do this as an extra little kicker, because let's face it, she HAS to appreciate your nerdiness/geekiness or she wouldn't be with you, but make it your LOWEST priority project.

Re:Ah, geez... (1)

soulfury (1229120) | more than 5 years ago | (#26794721)

Dude, taking a girl out to a dinner is not radical. It's what average frustrated chumps do.

Just give her this geek toy and write, "Valentines is stupid, meaningless, and over-rated. I'm too sexy for a valentines card, but this shit will do. Happy now?"

Geekiness is sexy, as long as it's played right.

Real Men (3, Funny)

zude (1249292) | more than 5 years ago | (#26794741)

A) Real men don't build a circuit with an 14Mhz ATmega, when a couple of 555's [wikipedia.org] and a few TTL counters would have sufficed.

B) Real men don't program micro-controllers in C (or, god forbid, BASIC), when a hundred or so assembly instructions would have sufficed.

C) Real men don't give their wives goofy hand-made electronic crap on Valentine's Day, because they know their wives will figuratively and possibly literally beat the shit out of them thus belying that whole 'real man' thing.

14 MHz ??? (1)

ciderVisor (1318765) | more than 5 years ago | (#26795159)

I think she'd have more fun with a Rabbit running at 14 Hz.

Special sort of girl (1)

Shrike82 (1471633) | more than 5 years ago | (#26795277)

If anyone has a girlfriend/wife that understands what megahertz are, and would actually be impressed with a card that's measured in megahertz, for the love of God hold on to her...you've found yourself a keeper.

may as well try... (0)

Anonymous Coward | more than 5 years ago | (#26795471)

Let's face it, if you were even considering taking romantic advice from Slashdot, your romantic life is most likely in so much trouble that doing this will simply bring forward the inevitable anyway.

Not what she'd want (4, Funny)

Big Hairy Ian (1155547) | more than 5 years ago | (#26795785)

14Mhz??????

Personaly I'm sure she'd want something that ran at 150hz (approx)

BZZZZZZZZZZZZZZZZZZ

Sorry it has to be said.. (1)

eXFeLoN (954179) | more than 5 years ago | (#26796721)

Imagine a beowulf cluster of these! & Yeah but can it play doom?

14MHz? (1)

Nonillion (266505) | more than 5 years ago | (#26796729)

Talk about a waste of cycles. I'm sure the same thing could be achieved with just 1.4kHz.

A little overkill... (2, Insightful)

gillbates (106458) | more than 5 years ago | (#26796739)

You can get the sequential LEDs pattern with a simple shift register (74HC574 can be wired for this) and a 555 timer. If you want to add randomness, you can add a few xor gates (74HC86) to make a linear feedback shift register. So far, that's less than a dollar of IC's, and no programming required.

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